Mount adapter bracket



FIG. 1 is a top, front, right side perspective view of a mount adapter bracket;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIGS. 1-7 illustrate portions of the mount adapter bracket that form no part of the claimed design. 

CLAIM The ornamental design for a mount adapter bracket, as shown and described. 